package api;

import com.fasterxml.jackson.databind.ObjectMapper;
import model.*;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

@WebServlet("/api/news-job-list.json")
public class NewsDetail extends HttpServlet {
    private final ObjectMapper objectMapper = new ObjectMapper();
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        String aid = req.getParameter("aid");

        String guid = null;
        List<NewsLs> newslist = new ArrayList<>();
        NewsLs newsLs = new NewsLs();
        Object result;
        result = new Object(){
            public boolean success = true;
            public Object data = newslist;
        };
        try(Connection c = DBUtil.getConnection()) {
            {
                String sql = "SELECT * FROM admin WHERE aid = ? ORDER BY guid  DESC";
                try (PreparedStatement s = c.prepareStatement(sql)) {
                    s.setString(1, aid);
                    try (ResultSet rs = s.executeQuery()) {
                        while (rs.next()) {

                           newsLs.guid = rs.getInt("guid");
                            newsLs.atitle = rs.getString("atitle");

                           newsLs.acontents = rs.getString("acontents");
                            guid = rs.getString("guid");
                          newslist.add(newsLs);
                        }
                    }
                }
            }{
                String sql = "SELECT * FROM guser WHERE guid = ? ORDER BY guid  DESC";
                try (PreparedStatement s = c.prepareStatement(sql)) {
                    s.setString(1, guid);
                    try (ResultSet rs = s.executeQuery()) {
                        while (rs.next()) {


                            newsLs.gphone = rs.getString("gphone");

                            newslist.add(newsLs);
                        }
                    }
                }
            }

        } catch (SQLException exception) {
            exception.printStackTrace();
        }
        String json = objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(result);
        resp.setCharacterEncoding("utf-8");
        resp.setContentType("application/json");
        resp.getWriter().println(json);
    }
}

